Sift together dry ingredients and place in a deep bowl.,Make a well in the center and pour in eggs, milk and yogurt.,Stir until well blended.,Knead dough until smooth and elastic.,Grease a large bowl with butter.,Coat dough in a bowl with butter. Cover and let sit for 45 minutes to 1 hour.,______,Broil Naan Bread 2 to 3 minutes on each side. Serve hot or at room temperature.